My boyfriend and I had s_x 3 days ago... I've been having severe cramps in my right lower quadrant every time I move around. It hurts to stand up. I already had my period for this month, it started around the 12-13 of July, and I am on birth control. I don't really have any other symptoms that other people were talking about. Also, I didn't let him ejaculate inside of me... could I be pregnant and having signs this early, or do you think it could be something else? It's only been hurting for three days, right after we did.